*** shuffle16.c.orig	2007-07-16 12:57:44.000000000 +0900
--- shuffle16.c	2007-07-16 12:49:29.000000000 +0900
***************
*** 11,17 ****
  	int	i;
  
  	fpi = fopen("0318.bin", "rb");
! 	fpo = fopen("0318_.bin", "wb");
  
  	for (i = 0; i < 131072; i++) {
  		buf1[i] = fgetc(fpi);
--- 11,22 ----
  	int	i;
  
  	fpi = fopen("0318.bin", "rb");
! 	if (fpi != NULL) {
! 		fpo = fopen("0318_.bin", "wb");
! 	} else {
! 		fpi = fopen("0303.bin", "rb");
! 		fpo = fopen("0303_.bin", "wb");
! 	}
  
  	for (i = 0; i < 131072; i++) {
  		buf1[i] = fgetc(fpi);